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Medium severity6.5NVD Advisory· Published Sep 8, 2021· Updated Jun 17, 2026

CVE-2021-1855

CVE-2021-1855

Description

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3. A malicious website may be able to force unnecessary network connections to fetch its favicon.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Apple Inc./macOS2 versions
    cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: >=11.0,<11.3
    • (no CPE)range: unspecified
  • Apple Inc./macOS Big Surllm-fuzzy
    Range: = 11.3

Patches

Vulnerability mechanics

References

1

News mentions

0

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